package com.kuson.springcloud.controller;

import com.kuson.springcloud.entities.CommonResult;
import com.kuson.springcloud.entities.Payment;
import com.kuson.springcloud.service.PaymentService;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * 前端控制类
 */
@Slf4j
@RestController
public class PaymentController {
    @Resource
    private PaymentService paymentService;
    @Value("${server.port}")
    private String serverPort;
    @Resource
    private DiscoveryClient discoveryClient;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*******" + result + "*********");
        if (result > 0) {
            return new CommonResult(200, "插入成功,服务端口号为" + serverPort, result);
        } else {
            return new CommonResult(444, "插入失败", null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentBid(@PathVariable("id") Long id) {
        Payment paymentById = paymentService.getPaymentById(id);
        int a = 10 / 2;
        log.info("*******" + paymentById + "*********");
        if (paymentById != null) {
            return new CommonResult(200, "查询成功，服务端口号为" + serverPort, paymentById);
        } else {
            return new CommonResult(444, "查询失败", null);
        }
    }

    @GetMapping("/payment/discovery")
    public Object discovery() {
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("***** element:" + element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());
        }
        return this.discoveryClient;
    }

    /**
     * 模拟服务提供需要一定的时间来处理数据
     *
     * @return
     */
    @GetMapping(value = "/payment/feign/timeout")
    public String timeOut() {
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return serverPort;
    }

    @GetMapping("/payment/lb")
    public String getServerPort() {
        return serverPort;
    }


    /**
     * 分布式链路调用服务监控jar包下载地址：https://dl.bintray.com/openzipkin/maven/io/zipkin/java/zipkin-server/
     *  方法调用，形成分布式调用的链路调用的基础 服务提供端
     */

    @GetMapping("/payment/zipkin")
    public String paymentZipkin()
    {
        return "hi ,i'am paymentzipkin server fall back，welcome to atguigu，O(∩_∩)O哈哈~";
    }

}
